Lisbon (LIS) to Boston (BOS) flight deal in economy from $512

Saturday, October 24th, 2026

4 round-trip options

Returning
Sat, Oct 31, 20267 Day Trip
$766 USD
Returning
Thu, Nov 5, 202612 Day Trip
$712 USD
Returning
Fri, Nov 6, 202613 Day Trip
$731 USD
Returning
Sat, Nov 7, 202614 Day Trip
$711 USD